The Size of the Brain Does not Measure Intelligence

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We usually call smart people or people wearing glasses and reading a book a big brain. We think that they have a large capacity of containing a lot of information, so we thought they have bigger brains to store incredible amount of information. We also admire intelligent people for inventing incredible machines or tools, or proposing an unbelievable but plausible theory that oppose the former theory. For instance, Albert Einstein who authored the Theory of Relativity and change the notion about gravity, we perceived his brain as bigger than ours. But in actuality, the size of his brain is as average as ours. So, what made him a genius is not the size but the neural connections inside his brain.Furthermore, human brains vary in sizes across adults, but male brains is slightly larger than women. But it does not mean men are smarter than women because size is not the actual measurement for intelligence. It's just that men have larger body than women so expectedly, they have slightly larger brains. Because if brain size matters, then animals that have larger brains than us like whales and elephants should be smarter than us. Plus, our primate cousin Homo neanderthalensis should have made us, Homo Sapiens, go extinct instead of them because they have larger brain -- 10% larger than our brain. Thus, the size of the brain does not make a specie outsmart any other species. Instead, it is the neural connections that matters most that makes Homo sapiens smart. The number of synapses, a point where brain cell or neuron communicate, and how efficient and how fast they process an information is the real measure of intelligence.

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